Oxygen Gas Makes Up 21 % of the Atmosphere by Volume.What

question 76

Multiple Choice

Oxygen gas makes up 21 % of the atmosphere by volume.What is the solubility of O₂(g) in water at 25°C if the atmospheric pressure is 741 mmHg? The Henry's law constant for oxygen gas at 25°C is 1.3 * 10^-3 mol/L·atm.

• A)2.7 * 10^-4 M
• B)1.3 * 10^-3 M
• C)6.2 * 10^-3 M
• D)9.6 * 10^-3 M
• E)0.96 M

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